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 A324730 Difference between the binary weight of A323243 and the binary weight of its Xor Moebius transform (negated). 2
 0, 0, 0, 1, 0, -1, 0, 1, 2, 0, 0, 2, 0, 1, 1, -1, 0, 0, 0, 1, 0, 2, 0, 0, 1, 1, 0, 2, 0, 3, 0, 2, -1, 2, -1, 1, 0, 5, 2, -2, 0, -1, 0, 2, 2, 4, 0, 1, 0, -3, -5, 3, 0, -3, -2, 2, 4, 1, 0, 0, 0, 2, -2, -1, -3, 4, 0, 1, 3, 0, 0, 2, 0, 7, 0, 4, -1, 4, 0, 2, 0, 2, 0, 1, 0, 7, 2, 0, 0, 2, 2, 3, 1, 4, 1, -1, 0, -2, 2, 2, 0, 1, 0, 0, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552) FORMULA a(n) = A324829(n) - A324729(n). a(p) = 0 for all primes p. PROG (PARI) A324712(n) = { my(v=0); fordiv(n, d, if(issquarefree(n/d), v=bitxor(v, A323243(d)))); (v); }; \\ Needs also code from A323243. A324729(n) = hammingweight(A323243(n)); \\ Needs also code from A323243. A324829(n) = hammingweight(A324712(n)); A324730(n) = (A324829(n) - A324729(n)); CROSSREFS Cf. A000120, A323243, A324712, A324729, A324829. Sequence in context: A101670 A219491 A305714 * A118683 A175800 A344981 Adjacent sequences:  A324727 A324728 A324729 * A324731 A324732 A324733 KEYWORD sign AUTHOR Antti Karttunen, Mar 17 2019 STATUS approved

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Last modified September 27 11:57 EDT 2021. Contains 347689 sequences. (Running on oeis4.)